BCA Service Spring Change Service Type:Quick Spring Change Does not include shells or

Does not include shells or optic

Compatibility – M4 airsoft guns: Systema / KWA / GHK / G&P / VFC / Tokyo Marui (GBB only and requires adaptor ring)

Design for HK45 Series Airsoft Gas Blow Back GBB Pistol

For airsoft only

You can change AUTO mode to BURST mode or SEMI* mode to BURST mode

BCA Service Spring Change Service Type:Quick Spring Change Does not include shells orBBA will change the spring on most AEGs and BASRs while you wait. After you provide us with a maximum FPS, we will return the gun to you in a 20 FPS range (without going higher than the limit). So, for instance, if you want 400 FPS, the gun will return to you shooting 380 400 FPS. Guns are classified as: Quick Spring Change Semi Quick Spring Change Spring Change Associated fees vary based upon classification. Please ask for more information if